@article{01690707,
title = {Direct method for variational problems via hybrid of block-pulse and Chebyshev functions.},
journal = {Mathematical Problems in Engineering},
volume = {5},
year = {2000},
pages = {85-97},
doi = {10.1155/S1024123X00001265},
zbl = {0987.65055},
language = {en},
url = {http://dml.mathdoc.fr/item/01690707}
}
Razzaghi, Mohsen; Marzban, Hamid-Reza. Direct method for variational problems via hybrid of block-pulse and Chebyshev functions.. Mathematical Problems in Engineering, Tome 5 (2000) pp. 85-97. doi : 10.1155/S1024123X00001265. http://gdmltest.u-ga.fr/item/01690707/